November 2013
Intermediate to advanced
576 pages
19h 3m
English
book
iOS Components and Frameworks: Understanding the Advanced Features of the iOS SDK
by Kyle Richter, Joe Keeley
Content preview from iOS Components and Frameworks: Understanding the Advanced Features of the iOS SDK
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Common Authentication Errors
There are several common cases that can be helpful to catch when dealing with authentication errors. The following method is a modified version of authenticateLocalUser with additional error handling built in.
Note
If you are receiving an alert that says your game is not recognized by Game Center, check to make sure that the bundle ID of your app matches the one configured in iTunes Connect. A new app might take a few hours to have Game Center fully enabled, and a lot of Game Center problems can be resolved by waiting a little while and retrying.
- (void) authenticateLocalUser{ if([GKLocalPlayer localPlayer].authenticated == NO) { [[GKLocalPlayer localPlayer] authenticateWithCompletionHandler ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.